1.

Mention the chromosome pair present in zygote which determines the sex of (i) a female child, and (ii) a male child

Answer»

Solution :(i) A female child has XX.
(ii) A male child has XY

This SHOWS that male GAMETES determine the sex of the child and there is 1 :1 POSSIBILITY of the couple having a girl or a BOY child.


Discussion

No Comment Found